KASUWAN CANZA

Menene bushings?

Bushings na lantarki sune mahimman abubuwan haɗin gwiwar kayan aikin lantarki da yawa kamar su masu canza wuta, na'urori masu ɗaukar hoto da masu sauyawa. Waɗannan na'urori suna ba da ƙaƙƙarfan shingen da ya zama dole tsakanin mai gudanar da rayuwa da jikin na'urar lantarki a yuwuwar ƙasa. Wannan aiki mai mahimmanci yana ba da damar bushings don ɗaukar halin yanzu a babban ƙarfin lantarki ta hanyar shingen shingen kayan aiki. An ƙera bushings na JIEOZU don hana gazawar wutar lantarki daga walƙiya ko huda, don iyakance hawan zafi tare da ƙimar yanzu, da kuma jure ƙarfin injina daga nauyin kebul da faɗaɗa thermal.

Rufin ciki na bushing dole ne ya jure matsalolin lantarki da zai jure a cikin sabis. Waɗannan matsalolin suna faruwa ne sakamakon yuwuwar yuwuwar wutar lantarki daga mai sarrafa kuzari zuwa abubuwan da ke ƙasa da bushing ɗin ke wucewa. A cikin aikace-aikacen matsakaici da babban ƙarfin lantarki, rufin ciki dole ne kuma ya iyakance farkon fitarwa (PD) wanda zai iya ci gaba da lalata kaddarorin da iyawar rufin.

Rufin waje na bushings yana da takamaiman abubuwan ƙira kamar adadin zubar da nisan rarrafe don samar da rabuwa tsakanin wuraren haɗin HV masu kuzari da yuwuwar ƙasa a wajen ɓangaren. Dalilin waɗannan fasalulluka shine don hana bushewar bushewa (flashover) da rarrafe (leakage). Dry Arcing, wanda BIL ya ƙididdigewa, yana buƙatar isasshiyar tazara don motar bas don jure sha'awar wutar lantarki daga sauyawa da walƙiya. Wadannan al'amuran na iya haifar da gazawar walƙiya inda wutar lantarki ta samo asali daga mai sarrafa HV kai tsaye zuwa ƙasa idan nisa bai isa ga ƙarfin lantarki ba. Creep (Leakage) yana faruwa ne lokacin da gurɓatawa ya taso a saman daji kuma yana ba da hanyar da za ta iya bi tare da saman. Haɗin zubar da ruwa a cikin ƙirar daji yadda ya kamata yana haɓaka nisan saman daji tsakanin tashar HV da ƙasa don hana asara mai ɓarna.

JIEZOU ƙera na cikin gida & waje epoxy bushings for switchgear, transformer & ikon na'urar aikace-aikace a duka low da matsakaici irin ƙarfin lantarki azuzuwan. An tsara Bushings ɗinmu kuma an gwada su don saduwa da ƙa'idodin CSA, IEC, NEMA, da IEEE.

Ƙarƙashin Ƙarfin Wutar Lantarki ana ƙididdigewa don ƙarfin wutar lantarki har zuwa 5kV/60kV BIL da Medium Voltage bushings an ƙididdige ƙarfin lantarki har zuwa 46kV/250kV BIL.

JIEZOU yana kera bushings na Epoxy, wanda shine mafi kyawun madadin Bushings na Porcelain kuma yana da fa'idodi da yawa. Dubi labarin mu akan Bushings na Epoxy vs Porcelain Bushings

Bushing don masu canza wuta

Bushing na'urar transfoma shine na'urar da ke ba da damar mai kuzari, mai ɗaukar hoto ya wuce ta cikin tankin da ke ƙasa. Nau'in Bushing yana da madubin da aka gina a ciki, yayin da Draw-Lead ko Draw-Rod Bushing ke da tanadi don shigar da madugun daban ta tsakiyarsa. M (nau'in bulk) bushings da ɗaukar hoto-graded bushings (Stenserser) sune manyan nau'ikan aikin cin abinci guda biyu:

Ana amfani da ƙaƙƙarfan bushing tare da insulator ko epoxy insulator azaman abubuwan haɗin kai daga ƙaramin ɗan wutan wutan wuta zuwa waje na taswira.
Ana amfani da bushings masu ƙarfin ƙarfi a mafi girman ƙarfin tsarin. Idan aka kwatanta da ƙaƙƙarfan bushings, suna da ɗan rikitarwa a gininsu. Don jimre wa manyan matsalolin wutar lantarki da aka haifar a mafi girman ƙarfin lantarki, bushings masu ƙarfin ƙarfin ƙarfin suna sanye da garkuwa mai ƙarfi na ciki, wanda ke cikin tsaka-tsakin tsaka-tsaki mai ɗaukar hoto da insulator na waje. Manufar wadannan garkuwar da ake amfani da ita ita ce rage fitar da wani bangare ta hanyar sarrafa wutar lantarki da ke kewaye da madubin cibiyar, ta yadda damuwan filin ya ta'allaka a ko'ina a cikin rufin daji.

Bayanin samfur-1.2kV Filastik Molded Tri-clamp Bushing na biyu